Compare Irish counties
Pick two or three counties to see their rainfall, sunshine and temperatures side by side, month by month.
Westmeath gets 2% less rain a year than Cavan (1079 mm against 1106 mm), with 6 fewer rain days and 49 more hours of sunshine. July afternoons average 19°C in Westmeath and 19°C in Cavan; January nights 2°C and 2°C.
Rainfall by month
0 50 100 Westmeath, Jan: 80 mm Westmeath, Feb: 90 mm Westmeath, Mar: 84 mm Westmeath, Apr: 80 mm Westmeath, May: 81 mm Westmeath, Jun: 78 mm Westmeath, Jul: 98 mm Westmeath, Aug: 93 mm Westmeath, Sep: 99 mm Westmeath, Oct: 122 mm Westmeath, Nov: 86 mm Westmeath, Dec: 88 mm Cavan, Jan: 73 mm Cavan, Feb: 93 mm Cavan, Mar: 87 mm Cavan, Apr: 84 mm Cavan, May: 81 mm Cavan, Jun: 77 mm Cavan, Jul: 100 mm Cavan, Aug: 94 mm Cavan, Sep: 108 mm Cavan, Oct: 133 mm Cavan, Nov: 81 mm Cavan, Dec: 95 mm Longford, Jan: 81 mm Longford, Feb: 103 mm Longford, Mar: 93 mm Longford, Apr: 85 mm Longford, May: 87 mm Longford, Jun: 85 mm Longford, Jul: 110 mm Longford, Aug: 99 mm Longford, Sep: 107 mm Longford, Oct: 146 mm Longford, Nov: 90 mm Longford, Dec: 108 mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daytime high by month
0 5 10 15 Westmeath, Jan: 7 °C Westmeath, Feb: 9 °C Westmeath, Mar: 10 °C Westmeath, Apr: 12 °C Westmeath, May: 16 °C Westmeath, Jun: 18 °C Westmeath, Jul: 19 °C Westmeath, Aug: 19 °C Westmeath, Sep: 17 °C Westmeath, Oct: 14 °C Westmeath, Nov: 10 °C Westmeath, Dec: 8 °C Cavan, Jan: 7 °C Cavan, Feb: 9 °C Cavan, Mar: 10 °C Cavan, Apr: 12 °C Cavan, May: 16 °C Cavan, Jun: 18 °C Cavan, Jul: 19 °C Cavan, Aug: 19 °C Cavan, Sep: 17 °C Cavan, Oct: 14 °C Cavan, Nov: 10 °C Cavan, Dec: 8 °C Longford, Jan: 7 °C Longford, Feb: 9 °C Longford, Mar: 11 °C Longford, Apr: 13 °C Longford, May: 16 °C Longford, Jun: 18 °C Longford, Jul: 19 °C Longford, Aug: 19 °C Longford, Sep: 17 °C Longford, Oct: 14 °C Longford, Nov: 10 °C Longford, Dec: 8 °C Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Sunshine by month
0.0 5.0 10.0 Westmeath, Jan: 4.0 hours a day Westmeath, Feb: 4.1 hours a day Westmeath, Mar: 6.1 hours a day Westmeath, Apr: 8.4 hours a day Westmeath, May: 10.1 hours a day Westmeath, Jun: 10.2 hours a day Westmeath, Jul: 8.7 hours a day Westmeath, Aug: 9.1 hours a day Westmeath, Sep: 7.1 hours a day Westmeath, Oct: 5.2 hours a day Westmeath, Nov: 4.2 hours a day Westmeath, Dec: 2.9 hours a day Cavan, Jan: 3.9 hours a day Cavan, Feb: 4.1 hours a day Cavan, Mar: 5.7 hours a day Cavan, Apr: 8.4 hours a day Cavan, May: 10.0 hours a day Cavan, Jun: 9.8 hours a day Cavan, Jul: 8.6 hours a day Cavan, Aug: 9.1 hours a day Cavan, Sep: 7.0 hours a day Cavan, Oct: 4.8 hours a day Cavan, Nov: 4.2 hours a day Cavan, Dec: 2.9 hours a day Longford, Jan: 3.9 hours a day Longford, Feb: 4.2 hours a day Longford, Mar: 5.8 hours a day Longford, Apr: 8.4 hours a day Longford, May: 9.9 hours a day Longford, Jun: 9.7 hours a day Longford, Jul: 8.6 hours a day Longford, Aug: 9.1 hours a day Longford, Sep: 7.2 hours a day Longford, Oct: 5.1 hours a day Longford, Nov: 4.2 hours a day Longford, Dec: 2.9 hours a day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Rain days by month
0 5 10 15 Westmeath, Jan: 12 days Westmeath, Feb: 15 days Westmeath, Mar: 15 days Westmeath, Apr: 15 days Westmeath, May: 16 days Westmeath, Jun: 15 days Westmeath, Jul: 18 days Westmeath, Aug: 16 days Westmeath, Sep: 14 days Westmeath, Oct: 17 days Westmeath, Nov: 15 days Westmeath, Dec: 15 days Cavan, Jan: 13 days Cavan, Feb: 16 days Cavan, Mar: 16 days Cavan, Apr: 16 days Cavan, May: 15 days Cavan, Jun: 15 days Cavan, Jul: 18 days Cavan, Aug: 18 days Cavan, Sep: 15 days Cavan, Oct: 18 days Cavan, Nov: 14 days Cavan, Dec: 15 days Longford, Jan: 12 days Longford, Feb: 16 days Longford, Mar: 16 days Longford, Apr: 16 days Longford, May: 15 days Longford, Jun: 15 days Longford, Jul: 17 days Longford, Aug: 16 days Longford, Sep: 16 days Longford, Oct: 18 days Longford, Nov: 15 days Longford, Dec: 16 days Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Figures are averages for 2021–2025 at each county town, from the ERA5 weather reanalysis via Open-Meteo. They describe typical lowland weather in each county; hills and exposed coasts are wetter and windier.